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Answer Key
Grade 6 Science: Ecosystem Dynamics & Resource Availability
1.
ecosystem
2.
Abiotic
3.
Biotic
4.
availability
5.
availability
6.
limited
7.
support
8.
ecosystems/balance
9.
all the living and nonliving parts in an area that interact
10.
abiotic: sunlight, soil; biotic: trees, deer (answers vary)
11.
how much of a needed resource like water or food is present for organisms
12.
less water limits plants and animals; populations may decline or migrate
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